diff --git a/libweston/backend-rdp/meson.build b/libweston/backend-rdp/meson.build
index e33fe4cc0..237cd0a7a 100644
--- a/libweston/backend-rdp/meson.build
+++ b/libweston/backend-rdp/meson.build
@@ -31,6 +31,7 @@ plugin_rdp = shared_library(
 	include_directories: common_inc,
 	dependencies: deps_rdp,
 	name_prefix: '',
+	override_options: [ 'b_lundef=false' ],
 	install: true,
 	install_dir: dir_module_libweston
 )